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512 results for "carbon dioxide"
Why Amazon trees are growing bigger — and what it means for the planet
BY THE OPTIMIST DAILY EDITORIAL TEAM When we talk about the Amazon rainforest and climate change, the news is usually grim: deforestation, rising temperatures, and biodiversity loss. But a new study offers an unexpected bit of hope. Despite the growing pressures of global warming and human Read More...
The slow demise of fur: how fashion, policy, and activism helped millions of animals
BY THE OPTIMIST DAILY EDITORIAL TEAM In 2014, over 140 million animals like minks, foxes, and raccoon dogs were farmed and killed for their fur. By 2023, that number dropped to around 20 million, according to a Humane World for Animals analysis using global and industry data. Though it excludes Read More...
How to cut grocery bills and waste less: 9 clever, planet-friendly hacks
BY THE OPTIMIST DAILY EDITORIAL TEAM We all know that grocery prices are currently astronomical. Now pair that with another stat: the U.S. Department of Agriculture says 30 to 40 percent of food ends up in landfills, producing methane, a greenhouse gas even more potent than carbon dioxide. Read More...
Podcast Transcript August 1, 2025— Turning tragedy into hope: Rebuilding after wildfires and the future of canine cancer research
Episode Description: In this episode, Karissa and Arielle explore two uplifting stories of transformation. First, they look at how Southern California communities are rebuilding sustainably after the Eaton Fire—repurposing concrete, steel, and trees into roads, buildings, and soil. Then, they Read More...
From rubble to renewal: how recycling fire debris helps rebuild California—and the planet
BY THE OPTIMIST DAILY EDITORIAL TEAM In the wake of Southern California’s Eaton Fire, which reduced entire neighborhoods to skeletal remains, a quiet effort is underway. One that’s turning charred debris into the foundation for rebuilding. At The Bunny Museum in Altadena, co-founder Read More...
How Finland's giant sand battery is storing clean energy (and cutting emissions by 70 percent)
BY THE OPTIMIST DAILY EDITORIAL TEAM In a small Finnish town with a big climate goal, an unassuming tower of sand is quietly storing solar and wind energy all while making a powerful statement about clean tech innovation. Pornainen, in southern Finland, is now home to the world’s largest Read More...
Podcast Transcript June 20, 2025: Burial reefs and dissolving plastics: hopeful headlines for our oceans
Episode Description: This week on The Optimist Daily’s Weekly Roundup, Arielle and Karissa dive into ocean-inspired solutions. From sea moss superfoods and memorial reefs that turn human ashes into coral habitats to breakthrough plastics that dissolve in seawater and soil without leaving a Read More...
A splash of good news for oceans: new plastic dissolves in seawater in just hours
BY THE OPTIMIST DAILY EDITORIAL TEAM In a world drowning in plastic, scientists in Japan may have found a lifeline. Researchers from the RIKEN Center for Emergent Matter Science and the University of Tokyo have developed a new type of plastic that can dissolve in seawater within hours without Read More...
What trees can teach us about volcanoes: a new view from space
BY THE OPTIMIST DAILY EDITORIAL TEAM The next time a volcano begins to stir, the first signs might come not from smoke or rumbling earth, but from the trees nearby. According to a new NASA-Smithsonian study, trees growing near volcanoes become visibly greener as underground magma releases carbon Read More...
A new way to stack bricks could help clean Bangladesh’s air
BY THE OPTIMIST DAILY EDITORIAL TEAM In the cool, dry winters of Bangladesh, the country’s 8,000-plus brick kilns roar to life. Coal-fed and open-air, they bake nearly 30 million bricks annually, filling the skies with thick black smoke in the process. But a new study has found that a few Read More...